• Head to Saks to learn about men’s denim and shop for this season’s limited-edition jeans. Shoppers can customize their jeans with laser engraving, painting, and hemming. 611 Fifth Ave., nr. 51st St. (212-753-4000); 10–8.
• Shop at Lord & Taylor's Family & Friends event starting this weekend and receive an extra 25 percent discount on most items in store with this flyer. Through 4/23. 424 Fifth Ave., at 39th St., (212-391-3344); M–F (10–8:30), S (10–7:30), Su (11–7).
• Browse Mary Meyer's spring collection in a special pop-up shop at In God We Trust. There'll be drinks, discounts, giveaways, and every purchase counts as entry into a raffle for a Mary Meyer gift card. 70 Greenpoint Ave., nr. Franklin St., (718-389-3545); noon–8.
• Join the spring fling party celebrating the opening of the Alice + Olivia pop-up shop at Scoop in the meatpacking district. There'll be personal styling tips offered all day, and a D.J. from 3 p.m. 875 Washington St., nr. W 14th St., (212-929-1244); 11–6.
• Lipsy London is holding a prom promotion at Bloomingdale's Soho. Dresses will be 20 percent off, and the first twenty customers spending $175 or more will receive a complimentary bottle of perfume. 504 Broadway, nr. Broome St., (212-729-5900); 2–5.
• Womenswear, menswear, shoes, and handbags are up to 70 percent off at the Elie Tahari sample sale. Through 4/16. 510 Fifth Ave., nr. 43rd St. (212-398-2622); T–F (8:30–7:30), S (10–5).
• Eyeglasses and sunglasses from Armani, Lafont, Dior, Prada, and more start at $75 at the James Leonard Opticians sample sale. Through 4/16. 1010 Second Ave., nr. 53rd St. (212-753-7733); Th (10–8), F (10–7), S (10–6).
• Lingerie is 30 to 70 percent off at Brooklyn Fox. Silk polka-dot Mimi holiday bras are $53 (originally $85), floral and striped Betsey Johnson panties and chemises start at $29, and lace Huit bras are $39 (originally $74). Through 4/19. 132 N. 5th St., nr. Bedford Ave., Williamsburg (718-599-1555); daily (noon–8).
• Shop discounted cookware and Wusthof knives at the Broadway Panhandler sale. The classic forged five-piece knife set if $129.98 (originally $307), the All Clad 1.5-quart saucepan is $69.98 (originally $140), and the All Clad 3.5-quart saucepan is $99.98 (originally $180). Through 4/17. 65 E. 8th St., nr. Broadway (212-966-3434); W–Su (11–7).
• Receive $50 with a purchase of $250 or more at Vince stores or online. Enter code VINCE50SP11. Various hours and locations..
• Sunglasses and optical frames are half-off at the 10/10 Optics spring sale. Ted Baker sunglasses for men are $124.50 (originally $249), Lulu Guinness cat-eye frames for women are $114.50 (originally $229), and Lafont French fashion glasses with layered colors are $164.50 (originally $329). ProDesign frames are 70 percent off. 50 Madison Ave., at 26th St. (212-366-1010); M–Th (10–7), F (10–5), Su (noon–5:30).
• Womenswear samples, archival pieces, and current season's stock are discounted up to 80 percent at Haute Hippie's spring sale. T-shirts start at $20, embellished dresses at $100. Through 4/22. 336 W. 37th St., fifteenth fl., nr. Eighth Ave.; 10–6.